be3315b3b2
- Replace endpoint cooldown tracking with centralized EndpointHealth system for MTProxy attempts - Add multi-profile ClientHello builder with Chrome Modern (validated), Android Chrome, and other profiles - Implement SeekFramePolicy for video seeking (AtOrAfter/AtOrBefore/Nearest) - Enhance proxy status with terminal reasons, attempt tracking, and severity levels - Add ConnectionNotice for WSS unavailability recommendations - Change default proxy port to fixed 1353 - Implement delayed ClientHello sending with connection pattern spacing - Update terminology from 'JA4 fingerprint' to 'ClientHello profile' - Add comprehensive test coverage for new systems
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "mtproto/proxy/mtproxy/client_hello_builder.h"
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#include "mtproto/proxy/mtproxy/client_hello_facts.h"
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#include "mtproto/proxy/mtproxy/client_hello_profile.h"
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#include "base/bytes.h"
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#include <QtCore/QByteArray>
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#include <QtCore/QString>
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#include <cstdio>
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#include <optional>
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namespace {
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[[nodiscard]] int Fail(const char *message) {
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std::fprintf(stderr, "%s\n", message);
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return 1;
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}
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[[nodiscard]] bytes::const_span AsBytes(const QByteArray &value) {
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return bytes::make_span(value.constData(), value.size());
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}
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} // namespace
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int main(int, char *[]) {
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const auto domain = QByteArray("ja4-capture.test");
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const auto key = QByteArray::fromHex("00112233445566778899aabbccddeeff");
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const auto &profile = MTP::details::ClientHelloProfile(
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MTP::ProxyTlsProfile::ChromeModern);
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if (profile.validation != MTP::details::ClientHelloProfileValidation::Validated
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|| !profile.expectedJa4[0]) {
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return Fail("ChromeModern profile is not validated.");
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}
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auto options = MTP::details::ClientHelloGenerationOptions();
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options.deterministic = true;
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const auto rules = MTP::details::PrepareClientHelloRules(
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MTP::ProxyTlsProfile::ChromeModern);
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const auto hello = MTP::details::PrepareClientHello(
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rules,
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AsBytes(domain),
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AsBytes(key),
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MTP::ProxyTlsProfile::ChromeModern,
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std::nullopt,
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options);
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if (hello.data.isEmpty() || hello.digest.size() != 32) {
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return Fail("ChromeModern ClientHello was not generated.");
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}
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const auto facts = MTP::details::ComputeClientHelloFacts(hello.data);
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if (!facts) {
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return Fail("ChromeModern ClientHello facts were not parsed.");
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}
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if (!facts->hasSni || facts->firstAlpn != QByteArray("h2")) {
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return Fail("ChromeModern ClientHello core facts drifted.");
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}
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const auto ja4 = MTP::details::ComputeClientHelloJa4(*facts);
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if (ja4 != QString::fromLatin1(profile.expectedJa4)) {
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return Fail("ChromeModern ClientHello JA4 drifted.");
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}
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return 0;
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}
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